Universal newborn hearing screening: Review of 10,000 evaluations
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Keywords
Hearing loss, neonatal screening, hearing tests
Abstract
Introduction: Hearing loss is the most common congenital disability, and its early recognition and treatment is important for the normal social and educational development of the child. Aim: To review the results of the universal newborn hearing screening program at our institution. Material and method: Retrospective study of all newborns examined between May 2001 and December 2007. Hearing screening was carried out by otoacoustic emissions and automated auditory brainstem potentials. Results: 30 cases of congenital hearing loss were detected among the 10.095 newborns that were examined during the study period. Most hearing impairments (80%) were mild to moderate. Diagnosis of hearing loss was confirmed by the age of 3 months in 88.5% of the patients. We estimated a congenital hearing loss rate of 2.8 cases in 1000 newborns at the nursery, and of 21 cases in 1000 high-risk newborns (neonatal ICU). Discussion: From our results, it is noteworthy the high coverage and the early diagnosis achieved, which enabled us to make timely interventions and rehabilitation.
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